Merge "Only allow NEW_TASK flag when adjusting pending intents" into qt-dev...

Merge "Only allow NEW_TASK flag when adjusting pending intents" into qt-dev am: a082fd92 am: a0237b2e am: 7d8fd7a9 am: b4ce1ebb am: 995bb7e3 am: d0f9d226 am: 647716eb am: 8ce8e5e1 am: 968b5631 am: 2ce080f4 am: 12bcbe54

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21327525



Change-Id: Iace2cf926ef4e10343d9c510fe035d0540134fc6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>